<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--

  Ensures that goog.editor.BrowserFeature is up-to-date with the latest
  bug fixes from browser manufacturers.

  @author nicksantos@google.com (Nick Santos)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.editor.BrowserFeature</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.dom.Range');
goog.require('goog.editor.BrowserFeature');
goog.require('goog.testing.ExpectedFailures');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>

<div id='root' contentEditable></div>

<div id='testNormalizeCorruption'>text</div>

<script>

var expectedFailures = new goog.testing.ExpectedFailures();

function tearDown() {
  var root = goog.dom.getElement('root');
  goog.dom.removeChildren(root);
  expectedFailures.handleTearDown();
}

function testEmptyNodeNormalization() {
  var root = goog.dom.getElement('root');
  goog.dom.appendChild(root, goog.dom.createTextNode('text'));

  var textNode = root.firstChild;
  textNode.splitText(0);
  root.normalize();

  assertEquals(
      'NORMALIZE_CORRUPTS_EMPTY_TEXT_NODES incorrect for ' +
      navigator.userAgent,
      goog.editor.BrowserFeature.NORMALIZE_CORRUPTS_EMPTY_TEXT_NODES,
      textNode.parentNode == null);
}

function testLeavesPWhenRemovingLists() {
  if (!goog.editor.BrowserFeature.HAS_CONTENT_EDITABLE) {
    return;
  }
  var root = goog.dom.getElement('root');
  goog.dom.removeChildren(root);
  root.innerHTML = '<div>foo</div>';
  goog.dom.Range.createFromNodeContents(root.firstChild.firstChild).select();
  document.execCommand('insertorderedlist', false, true);
  document.execCommand('insertorderedlist', false, true);

  assertEquals(
      'LEAVES_P_WHEN_REMOVING_LISTS incorrect for ' +
      navigator.userAgent,
      goog.editor.BrowserFeature.LEAVES_P_WHEN_REMOVING_LISTS,
      !!root.getElementsByTagName('p').length);
}

function testActiveElement() {
  var root = goog.dom.getElement('root');
  var div = goog.dom.createElement('div');
  root.appendChild(div);
  div.tabIndex = 0;
  div.focus();

  expectedFailures.expectFailureFor(
      !goog.editor.BrowserFeature.HAS_ACTIVE_ELEMENT);
  try {
    assertEquals('document.activeElement should be the created div',
                 div, document.activeElement);
  } catch (e) {
    expectedFailures.handleException(e);
  }
}

function testNormalizeCorruption() {
  var root = goog.dom.getElement('testNormalizeCorruption');
  var textNode = root.firstChild;
  textNode.splitText(0);
  var secondTextNode = textNode.nextSibling;

  root.normalize();

  expectedFailures.expectFailureFor(
      goog.editor.BrowserFeature.NORMALIZE_CORRUPTS_EMPTY_TEXT_NODES);
  try {
    assertEquals('text node should not be corrupted',
        textNode, root.firstChild);
  } catch (e) {
    expectedFailures.handleException(e);

    expectedFailures.expectFailureFor(
        goog.editor.BrowserFeature.NORMALIZE_CORRUPTS_ALL_TEXT_NODES);
    try {
      assertEquals(
          'first text node should be corrupted and replaced by sibling',
          secondTextNode, root.firstChild);
    } catch (e) {
      expectedFailures.handleException(e);
    }
  }
}

</script>
</body>
</html>
